TY - JOUR
AU - Yudovin, I.
AB - EQUIPMENT MANUFACTURING TECHNOLOGY TO TUBESHEETS PULSED METHODS FOR JOINING TUBES IN HEAT EXCHANGERS UDC 66.045.1:621.774.77 V.V. Ivanov and I.B. Yudovin Welding and tube expanding are methods of choice up to the present for joining tubes to tubesheets in heat exchange equipment manufactured at power machinery and chemical process machinery plants, in shipbuilding, and in other branches of industry. Disadvantages in welding tube to tubesheet include the relatively high cost, the low productivity, the need to make welding projections around the tubes on the tubesheets to keep the tubesheets from warping, the limited choice of materials for welded tubesheets and tubes, difficulties in welding the tubes on when the tubesheets are positioned vertically, the low percentage of sound weldments, and high residual stresses at the weld sites. In tube expanding work, we have to cope with cracking of the tube ends and the need to anneal the tubes. Tubing smaller than 12 mm indiam, cannot be used, since the expanding tool has a short time to failure or wear-out; tubesheet hole diameter tolerances must be kept to the 4th class of precision work; the surface finish on the tubesheet holes must be not less than 5th class. The soundness of 
TI - Pulsed methods for joining tubes to tubesheets in heat exchangers
JF - Chemical and Petroleum Engineering
DO - 10.1007/BF01144798
DA - 2005-01-28
UR - https://www.deepdyve.com/lp/springer-journals/pulsed-methods-for-joining-tubes-to-tubesheets-in-heat-exchangers-1kYgUl5u3M
SP - 143
EP - 148
VL - 4
IS - 2
DP - DeepDyve
ER -